Why is it important to send probes into space or the moon before sending a human?

Why might it be important for EU countries to share borders?

Find the distance between (-4,5) and (7, 18).

Briefly describe a mixed economy

Which of the following best summarizes the change in the sea floor over time? The sea floor is constantly shrinking as plates dive under the continental land masses. The sea floor is constantly expanding as new magma comes up through the surface.

What am I? Can you solve this riddle? I move like the wind. I reflect what you see. I am many colors although I may not be. I see everything around the world without moving. I have been here since before inhabitants on this planet.

Given that the ring of fire includes oceanic features such as trenches and continental features such as volcanoes, what can you infer about the interaction of the pacific plate with the plates surrounding it?

The bosphorus strait divides which two continents

What percentage of the Earth's water is fresh and available for agriculture, human consumption and ecosystems?

Which is an example of diffusion

Gonzaga university location